Home / 77,008.58-115,511.24-35,455.58

Finding the Fourth Proportional to 77,008.58, 115,511.24 and 35,455.58

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Solution

The fourth proportional to 77,008.58, 115,511.24 and 35,455.58 is: 53,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,008.58 : 115,511.24 = 35,455.58 : x
  2. Step 2: Convert to fraction form
    77,008.58/115,511.24 = 35,455.58/x
  3. Step 3: Cross multiply
    77,008.58x = 115,511.24 × 35,455.58
  4. Step 4: Simplify right side
    77,008.58x = 4,095,517,521.80
  5. Step 5: Solve for x
    x = 4,095,517,521.80/77,008.58
  6. Step 6: Final answer
    x = 53,182.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.